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The Clean Air Act
This law first authorized the EPA to etablish the National Ambient Air Quality Standards (NAAQS) to protect public health and welfare and to regulate emissions of hazardous air pollutants. One of the first goals of the act was to set and achieve NAAQS in every state by 1975. The act was emended in 1977 and 1990 to set new goals (dates) for achieveing attainment of NAAQS because many of the states had failed to meet the deadline.
Also in 1990, Congress established a new goal to reduce lifetime cancer risks from major sources of hazardous air pollutants to one and one million.
Passed in First 1963, then 1970
From an estimated result from the EPA, the Clean Air Act saved around 205,000 Americans who would have died prematurely and millions more who would have suffered from respiratory symptoms to heart disease,chronic bronchitis, asthma attacks, and other severe respiratory problems. Also the lack of The Clean Air Act's control of the use of leaded gasoline would have resulted in major increases in child IQ loss and adult hypertension, heart disease and stroke.
1970: Congresspassed their firsthopes of what the Act could accomplish. By 1975, they were requiring a 90 percent reduction in emissions from from new automobiles